1001112122203 has 2 divisors, whose sum is σ = 1001112122204. Its totient is φ = 1001112122202.

The previous prime is 1001112122123. The next prime is 1001112122233. The reversal of 1001112122203 is 3022212111001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001112122203 - 2²⁵ = 1001078567771 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001112122233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500556061101 + 500556061102.

It is an arithmetic number, because the mean of its divisors is an integer number (500556061102).

Almost surely, 2^{1001112122203} is an apocalyptic number.

1001112122203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001112122203 is an equidigital number, since it uses as much as digits as its factorization.

1001112122203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1001112122203 its reverse (3022212111001), we get a palindrome (4023324233204).

The spelling of 1001112122203 in words is "one trillion, one billion, one hundred twelve million, one hundred twenty-two thousand, two hundred three".